Composition of a Hydrate Lab

        We performed this lab in order to determine whether a hydrate was a pure substance or a mixture. In order to determine the composition of the hydrate, we used a specific and significant technique. This technique was the use of heat to determine whether or not the substance's mass remained the same or varied. If the substance had resulted in a significant loss of mass, with an erratic percent composition of water,  one could conclude that the hydrate was a mixture. This conclusion would be valid because, a mixture is made up of more than one pure substance. Each pure substance's components have different properties. Opposed is a pure substance, which contains only one type molecule. This means that the substance maintains a constant composition. If the hydrate was a pure substance, when it was heated it should have resulted in no loss of mass or a consistent loss of water composition percentage. We used this percent composition in mathematically proving that the hydrate was a pure substance. In order to prove our conclusion valid, the percentage we obtained must have been in range of 48.8%. Our percentage amounted to 47.7%  meaning a minuscule percent error and a valid result.